diff --git a/package-lock.json b/package-lock.json
index 182e176cd..6b14f96e6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2093,6 +2093,7 @@
     },
     "node_modules/buffer-from": {
       "version": "1.1.2",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/builtin-modules": {
@@ -5368,6 +5369,7 @@
     },
     "node_modules/source-map": {
       "version": "0.6.1",
+      "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.10.0"
@@ -5680,16 +5682,19 @@
       }
     },
     "node_modules/tsx": {
-      "version": "3.14.0",
-      "license": "MIT",
+      "version": "4.6.1",
+      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.6.1.tgz",
+      "integrity": "sha512-OQ4TAPHXAPUo/NZAmmIybl0o8LFOTlycQxFepLBAp6EV87U88fOKYGCQI2viGAEOVU9UW/cgQcxcOMnfEKVY3Q==",
       "dependencies": {
         "esbuild": "~0.18.20",
-        "get-tsconfig": "^4.7.2",
-        "source-map-support": "^0.5.21"
+        "get-tsconfig": "^4.7.2"
       },
       "bin": {
         "tsx": "dist/cli.mjs"
       },
+      "engines": {
+        "node": ">=18.0.0"
+      },
       "optionalDependencies": {
         "fsevents": "~2.3.3"
       }
@@ -5743,14 +5748,6 @@
         "@esbuild/win32-x64": "0.18.20"
       }
     },
-    "node_modules/tsx/node_modules/source-map-support": {
-      "version": "0.5.21",
-      "license": "MIT",
-      "dependencies": {
-        "buffer-from": "^1.0.0",
-        "source-map": "^0.6.0"
-      }
-    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "dev": true,
@@ -6174,7 +6171,7 @@
         "@bufbuild/protoc-gen-es": "^1.5.0",
         "@bufbuild/protoplugin": "^1.5.0",
         "@types/node": "~20.8.6",
-        "tsx": "^3.13.0",
+        "tsx": "^4.6.1",
         "typescript": "^5.2.2"
       }
     },
diff --git a/packages/protoplugin-example/package.json b/packages/protoplugin-example/package.json
index 0a9ef84a0..5567b4010 100644
--- a/packages/protoplugin-example/package.json
+++ b/packages/protoplugin-example/package.json
@@ -16,7 +16,7 @@
     "@bufbuild/protoc-gen-es": "^1.5.0",
     "@bufbuild/protoplugin": "^1.5.0",
     "typescript": "^5.2.2",
-    "tsx": "^3.13.0",
+    "tsx": "^4.6.1",
     "@types/node": "~20.8.6"
   }
 }